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authorPaloma Arellano <quic_parellan@quicinc.com>2024-02-22 11:39:55 -0800
committerDmitry Baryshkov <dmitry.baryshkov@linaro.org>2024-03-04 11:34:21 +0200
commit683d374582e3e8afc1b8547789e0b8e0b5b3f6fe (patch)
tree9d6a7aeee75b5683347cd0d1a1421b86f57ef169 /drivers/gpu/drm/msm
parent1cfc64a6ea55d2d2b2e3c2e1f742c8ad967eeea8 (diff)
drm/msm/dp: program config ctrl for YUV420 over DP
Change relevant DP controller related programming for YUV420 cases. Program the configuration control register to indicate YUV420. Changes in v2: - Create a new patch only for configuration control programming Signed-off-by: Paloma Arellano <quic_parellan@quicinc.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/579615/ Link: https://lore.kernel.org/r/20240222194025.25329-11-quic_parellan@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Diffstat (limited to 'drivers/gpu/drm/msm')
-rw-r--r--drivers/gpu/drm/msm/dp/dp_ctrl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
index 320f17fce9a6..ced2ed59ca93 100644
--- a/drivers/gpu/drm/msm/dp/dp_ctrl.c
+++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c
@@ -142,6 +142,9 @@ static void dp_ctrl_config_ctrl(struct dp_ctrl_private *ctrl)
/* Default-> LSCLK DIV: 1/4 LCLK */
config |= (2 << DP_CONFIGURATION_CTRL_LSCLK_DIV_SHIFT);
+ if (ctrl->panel->dp_mode.out_fmt_is_yuv_420)
+ config |= DP_CONFIGURATION_CTRL_RGB_YUV; /* YUV420 */
+
/* Scrambler reset enable */
if (drm_dp_alternate_scrambler_reset_cap(dpcd))
config |= DP_CONFIGURATION_CTRL_ASSR;